Dayton, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -31.7° (1994) 23.9° (1906) 2.6" 9.9"
February -5° -33.3° (1899) 22.8° (2000) 2.29" 6.5"
March -1° -21.7° (1980) 30.6° (1910) 3.29" 4.8"
April 16° -9.4° (1972) 32.2° (1942) 4.03" 0.8"
May 11° 22° -3.3° (1963) 36.7° (1911) 4.17" 0"
June 16° 27° 2.8° (1913) 38.9° (1988) 4.21" 0"
July 18° 29° 6.7° (1972) 42.2° (1901) 3.75" 0"
August 17° 28° 2.8° (1915) 40.6° (1918) 3.49" 0"
September 13° 24° -1.7° (1913) 38.9° (1899) 2.65" 0"
October 18° -7.8° (1895) 33.9° (1900) 2.72" 0.4"
November 10° -18.9° (1958) 30° (1909) 3.3" 1.4"
December -4° -28.9° (1989) 22.2° (1998) 3.08" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 7.8° 18.9° -3° (1963) 31° (1951) 0.14" NA
May 2 7.8° 18.9° -1° (1994) 31° (1913) 0.14" NA
May 3 7.8° 19.4° 0° (2005) 32° (1899) 0.14" NA
May 4 8.3° 19.4° -2° (1903) 31° (1949) 0.14" NA
May 5 8.3° 20° -1° (1907) 32° (1952) 0.13" NA
May 6 8.9° 20° -1° (1968) 32° (1949) 0.13" NA
May 7 8.9° 20° -2° (1974) 31° (1936) 0.13" NA
May 8 8.9° 20.6° 0° (1976) 32° (1926) 0.13" NA
May 9 9.4° 20.6° -1° (1947) 33° (1896) 0.13" NA
May 10 9.4° 20.6° -2° (1966) 34° (1896) 0.13" NA
May 11 9.4° 21.1° -2° (1913) 34° (1896) 0.13" NA
May 12 10° 21.1° 2° (1996) 31° (1902) 0.13" NA
May 13 10° 21.1° 1° (1996) 31° (1982) 0.13" NA
May 14 10° 21.7° 2° (1920) 32° (1991) 0.13" NA
May 15 10.6° 21.7° 0° (1910) 33° (1900) 0.13" NA
May 16 10.6° 21.7° 0° (1904) 34° (1900) 0.13" NA
May 17 11.1° 22.2° 1° (1895) 34° (1900) 0.13" NA
May 18 11.1° 22.2° 2° (1973) 34° (1962) 0.13" NA
May 19 11.1° 22.2° 1° (2002) 33° (1962) 0.13" NA
May 20 11.7° 22.8° 3° (1894) 33° (1911) 0.13" NA
May 21 11.7° 22.8° 0° (1907) 33° (1902) 0.13" NA
May 22 11.7° 22.8° 1° (2002) 33° (1941) 0.14" NA
May 23 12.2° 22.8° 1° (1963) 34° (1921) 0.14" NA
May 24 12.2° 23.3° 2° (1925) 32° (1975) 0.14" NA
May 25 12.2° 23.3° 1° (1925) 34° (1914) 0.14" NA
May 26 12.8° 23.3° 3° (1983) 35° (1911) 0.14" NA
May 27 12.8° 23.9° 1° (1961) 35° (1911) 0.14" NA
May 28 12.8° 23.9° 1° (1907) 37° (1911) 0.14" NA
May 29 12.8° 23.9° 2° (1906) 37° (1911) 0.14" NA
May 30 13.3° 24.4° 3° (1984) 35° (1895) 0.14" NA
May 31 13.3° 24.4° 2° (1897) 36° (1895) 0.14" NA
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